Beneficiaries of loose campaign finance rules may not be who you think

Unions took full advantage of the U.S. Supreme Courtís Citizens United decision in 2012, helping Democrats to an outside spending advantage over Republicans and leading to wins in some key state elections, according to a new analysis.
Pro-Democratic groups, many associated with unions, outspent their Republican counterparts by more than $8 million in 38 states, according to a Center for Public Integrity analysis of data from the National Institute on Money in State Politics and state elections offices.
In total, pro-labor groups reported spending nearly $44 million in 2012 in those states.